I am writing to tell you that the person you must not associate with is this: any person that calls himself a brother in Christ but sins sexually, or is greedy, or worships idols, or talks bad to people, or gets drunk, or cheats people. Don't even eat with a person like that.
It is not my business to judge those people that are not part of the church (group of believers). God will judge those people. But you must judge the people that are part of the church. The Scriptures F32 say, "Take the evil person out of your group." F33